diff options
Diffstat (limited to 'utils/ossmkdep.c')
| -rw-r--r-- | utils/ossmkdep.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/utils/ossmkdep.c b/utils/ossmkdep.c new file mode 100644 index 0000000..9d33da9 --- /dev/null +++ b/utils/ossmkdep.c @@ -0,0 +1,234 @@ +/* + * Purpose: Simple replacement for cpp -M (gcc) + */ +/* + * + * This file is part of Open Sound System. + * + * Copyright (C) 4Front Technologies 1996-2008. + * + * This this source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> + +int ndirs = 0; +char *dirs[1024]; + +int ndupes = 0; +char *dupes[4096]; + +static void +add_includedir (char *d) +{ + dirs[ndirs++] = d; +} + +static int +dupe_file (char *name) +{ + int i; + + for (i = 0; i < ndupes; i++) + if (strcmp (dupes[i], name) == 0) + return 1; + + dupes[ndupes++] = strdup (name); + return 0; +} + +static void parse_f (FILE * f, char *pathname); + +static void +do_global_include (char *hdrname, char *pathname) +{ + FILE *f; + int i; + + char tmp[512]; + sprintf (tmp, "%s/%s", pathname, hdrname); + + if (dupe_file (tmp)) + return; + if ((f = fopen (tmp, "r")) != NULL) + { + printf ("%s ", tmp); + parse_f (f, pathname); + fclose (f); + return; + } + + for (i = 0; i < ndirs; i++) + { + sprintf (tmp, "%s/%s", dirs[i], hdrname); + if (dupe_file (tmp)) + return; + + if ((f = fopen (tmp, "r")) == NULL) + continue; + printf ("\\\n %s ", tmp); + + parse_f (f, dirs[i]); + fclose (f); + return; + } + + fprintf (stderr, "Cannot locate <%s>\n", hdrname); + printf ("\n"); + exit (-1); +} + +static void +do_local_include (char *hdrname, char *pathname) +{ + FILE *f; + char tmp[512]; + + sprintf (tmp, "%s/%s", pathname, hdrname); + + if (dupe_file (tmp)) + { + return; + } + + if ((f = fopen (tmp, "r")) == NULL) + { +#if 1 + do_global_include (hdrname, pathname); + return; +#else + perror (tmp); + printf ("\n"); + exit (-1); +#endif + } + + sprintf (tmp, "%s ", tmp); + parse_f (f, pathname); + printf ("\\\n %s ", tmp); + + fclose (f); +} + +static void +parse_f (FILE * f, char *pathname) +{ + char line[1024], *p, *s; + + while (fgets (line, sizeof (line), f) != NULL) + { + if (*line != '#') + continue; + + s = line + 1; + + /* Skip space */ + while (*s && (*s == ' ' || *s == '\t')) + s++; + + /* Extract the preprocessor directive name (p) */ + p = s; + while (*s && (*s != ' ' && *s != '\t')) + s++; + *s++ = 0; + + if (strcmp (p, "include") != 0) + continue; + + /* Skip space */ + while (*s && (*s == ' ' || *s == '\t')) + s++; + + if (*s == '"') + { + s++; + + p = s; + while (*s && *s != '"') + s++; + *s = 0; + do_local_include (p, pathname); + continue; + } + + if (*s == '<') + { + s++; + + p = s; + while (*s && *s != '>') + s++; + *s = 0; + do_global_include (p, pathname); + continue; + } + } +} + +static void +parse_sourcefile (char *srcname) +{ + FILE *f; + char *s, *p; + char origname[64]; + + strcpy (origname, srcname); + + s = NULL; + + p = srcname; + while (*p) + { + if (*p == '.') + s = p; + p++; + } + + if (*s != '.') + { + fprintf (stderr, "Bad file name %s\n", srcname); + printf ("\n"); + exit (-1); + } + + if ((f = fopen (srcname, "r")) == NULL) + { + perror (srcname); + printf ("\n"); + exit (-1); + } + + *s++ = 0; + printf ("%s.o: %s ", srcname, origname); + + parse_f (f, "."); + printf ("\n"); + fclose (f); +} + +int +main (int argc, char *argv[]) +{ + int i; + + add_includedir ("/usr/include"); + add_includedir ("/usr/local/include"); + + for (i = 1; i < argc; i++) + if (argv[i][0] == '-') + switch (argv[i][1]) + { + case 'I': + add_includedir (argv[i] + 2); + break; + } + else + parse_sourcefile (argv[i]); + + exit (0); +} |